/**
 * Copyright (c) 2010 Basil Shikin, BugStat Project
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.bugstat.exporters;

import java.io.IOException;
import java.util.Date;

import org.bugstat.common.bugs.User;

/**
 * This class is used to read bug permanent info. See java docs for {@link BugPermanentInfoWriter} for 
 * format of read file. 
 *
 * @author Basil Shikin
 *
 */
public class BugPermanentInfoReader
{
    private final RecordStorage recordStorage;
    private final UserReferenceStorage userReferenceStorage;
    
    public BugPermanentInfoReader( RecordStorage recordStorage, UserReferenceStorage userReferenceStorage )
    {
        if ( recordStorage == null ) throw new IllegalArgumentException("Invalid record storage specified");
        if ( userReferenceStorage == null ) throw new IllegalArgumentException("Invalid user reference manager specified");

        this.recordStorage = recordStorage;
        this.userReferenceStorage = userReferenceStorage;
    }

    public User readCreatedBy(int bugID) throws IOException
    {
        return userReferenceStorage.resolveObject( recordStorage.readShort( bugID, 0 ) );
    }
    
    public Date readCreatedDate(int bugID ) throws IOException
    {
        return new Date( recordStorage.readLong( bugID, 2 ) );
    }
    
}
